Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2007HIGHLANDER 2WD V6-3.3L (3MZ-FE)REPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORSERVICE AND REPAIRREMOVAL AND REPLACEMENT
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)
Removal and Replacement
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)SECTION Removal and Replacement
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO. 1
3. REMOVE GENERATOR ASSEMBLY
a. Remove wire harness clamp [A].
b. Disconnect generator connector [B].
c. Open the terminal cap, remove the nut and disconnect generator wire [C].
d. Loosen bolts A and B.
e. Loosen bolt C to lessen the tension of the V belt.
f. Remove bolts A and B, and the generator.
INSTALLATION
1. INSTALL GENERATOR ASSEMBLY
a. Temporarily install the generator with bolts A and B.
b. Adjust the V belt tension by tightening bolt C.
c. Tighten bolts A and B.
Torque:
Bolt A
58 N.m(592 kgf.cm, 43 ft.lbf)
Bolt B
18 N.m(184 kgf.cm, 13 ft.lbf)
d. Connect the generator wire with the nut.
Torque: 9.8 N.m (100 kgf.cm, 7.0 ft.lbf)
e. Connect the generator connector.
f. Install the wire harness clamp.
2. INSPECT V BELT
3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO. 1
3. REMOVE GENERATOR ASSEMBLY
a. Remove wire harness clamp [A].
b. Disconnect generator connector [B].
c. Open the terminal cap, remove the nut and disconnect generator wire [C].
d. Loosen bolts A and B.
e. Loosen bolt C to lessen the tension of the V belt.
f. Remove bolts A and B, and the generator.
INSTALLATION
1. INSTALL GENERATOR ASSEMBLY
a. Temporarily install the generator with bolts A and B.
b. Adjust the V belt tension by tightening bolt C.
c. Tighten bolts A and B.
Torque:
Bolt A
58 N.m(592 kgf.cm, 43 ft.lbf)
Bolt B
18 N.m(184 kgf.cm, 13 ft.lbf)
d. Connect the generator wire with the nut.
Torque: 9.8 N.m (100 kgf.cm, 7.0 ft.lbf)
e. Connect the generator connector.
f. Install the wire harness clamp.
2. INSPECT V BELT
3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.